Rhombencephalitis associated with varicella-zoster virus masquerading as Guillain-Barré syndrome
Bibliographic record
Abstract
BACKGROUND: Although rare, rhombencephalitis or inflammation of the brainstem and cerebellum has significantly associated morbidity and mortality. CLINICAL FEATURES: We describe the case of a 64-year-old previously healthy, immunocompetent man who presented with acute bulbar symptoms (difficulty swallowing, change in phonation, and drooling). His symptoms progressed in severity and he ultimately required intubation due to declining lung function and inability to manage his secretions. Clinical examination revealed bulbar dysfunction without involvement of other cranial nerves. A lumbar puncture revealed albuminocytological dissociation: elevated protein (9.8 g/L), nonerythroid cell count (13 cells/µL) with predominantly lymphocytic count. He received a five-day course of intravenous immunoglobulin for presumed Guillain-Barré syndrome. Initial magnetic resonance imaging (MRI) showed mild microangiopathic changes in the brain with no parenchymal, leptomeningeal, or cranial nerve enhancement. Cerebrospinal fluid (CSF) analysis was positive for varicella zoster virus (VZV). He was treated with intravenous Acyclovir 10 mg/kg three times daily for 14 days with no initial improvement and underwent a tracheostomy. Subsequent MRI was consistent with rhombencephalitis. CONCLUSIONS: VZV rhombencephalitis with cranial neuropathies represents a rare and potentially fatal condition. Early recognition and investigation with lumbar puncture and imaging are critical for establishing the diagnosis and initiating treatment.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".